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 + **Triple Adversarial Learning for Influence based Poisoning Attack in Recommender Systems**, *KDD*, [📝Paper](https://dl.acm.org/doi/abs/10.1145/3447548.3467335)
 + **Black-Box Attacks on Sequential Recommenders via Data-Free Model Extraction**, *RecSys*,  [📝Paper](https://arxiv.org/abs/2109.01165)
 + **Membership Inference Attacks Against Recommender Systems**, *Arxiv*,  [📝Paper](https://arxiv.org/abs/2109.08045)
-
++ **PipAttack: Poisoning Federated Recommender Systems for Manipulating Item Promotion **, *WSDM*,  [📝Paper](https://arxiv.org/abs/2110.10926)
 
 ## 2020
 + **Data Poisoning Attacks on Neighborhood-based Recommender Systems**, *ETT*, [📝Paper](https://arxiv.org/abs/1912.04109)